[llvm-commits] [llvm] r136178 - /llvm/trunk/lib/CodeGen/RegAllocBasic.cpp
Jakob Stoklund Olesen
stoklund at 2pi.dk
Tue Jul 26 16:12:08 PDT 2011
Author: stoklund
Date: Tue Jul 26 18:12:08 2011
New Revision: 136178
URL: http://llvm.org/viewvc/llvm-project?rev=136178&view=rev
Log:
Print out the MBB live-in registers.
Modified:
llvm/trunk/lib/CodeGen/RegAllocBasic.cpp
Modified: llvm/trunk/lib/CodeGen/RegAllocBasic.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegAllocBasic.cpp?rev=136178&r1=136177&r2=136178&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/RegAllocBasic.cpp (original)
+++ llvm/trunk/lib/CodeGen/RegAllocBasic.cpp Tue Jul 26 18:12:08 2011
@@ -439,6 +439,7 @@
LiveIntervalUnion &LiveUnion = PhysReg2LiveUnion[PhysReg];
if (LiveUnion.empty())
continue;
+ DEBUG(dbgs() << PrintReg(PhysReg, TRI) << " live-in:");
MachineFunction::iterator MBB = llvm::next(MF->begin());
MachineFunction::iterator MFE = MF->end();
SlotIndex Start, Stop;
@@ -449,6 +450,8 @@
if (SI.start() <= Start) {
if (!MBB->isLiveIn(PhysReg))
MBB->addLiveIn(PhysReg);
+ DEBUG(dbgs() << "\tBB#" << MBB->getNumber() << ':'
+ << PrintReg(SI.value()->reg, TRI));
} else if (SI.start() > Stop)
MBB = Indexes->getMBBFromIndex(SI.start().getPrevIndex());
if (++MBB == MFE)
@@ -456,6 +459,7 @@
tie(Start, Stop) = Indexes->getMBBRange(MBB);
SI.advanceTo(Start);
}
+ DEBUG(dbgs() << '\n');
}
}
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